Resume_ODBA

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SIVA RAMAN Email: [email protected] Mobile: 9940041966 Experience Summary Having 8 years of experience in Oracle database administration in production and development environment. Having experience as an Oracle Database Administrator Golden gate & DATAGUARD. Experience in Configuring and managing backup through RMAN utility. Experience in cloning the databases using RMAN utility. Installation and maintenance of Oracle goldengate Creation of users, Security Management through privileges, roles, profiles and auditing of user actions. Experience in configuring and managing ASM Disks. Knowledge on Oracle Database performance-tuning services with EXPLAIN PLAN ,ADDM & AWR reports Good Experience in Oracle database Installation and Creation. Experience on DATAGUARD with Creation and maintenance of Physical standby database. Experience in database upgrade / Refresh / Restore Worked in RAC environments, Monitoring its services , taking OCR and VOTING DISK for backup and recovery Exporting and Importing database backups using EXPDP/IMPDP utilities Proficient in database and server administration technical features 1 of 11

Transcript of Resume_ODBA

Page 1: Resume_ODBA

SIVA RAMAN

Email: [email protected] Mobile: 9940041966

Experience Summary

Having 8 years of experience in Oracle database administration in production and development environment.

Having experience as an Oracle Database Administrator Golden gate & DATAGUARD.

Experience in Configuring and managing backup through RMAN utility.

Experience in cloning the databases using RMAN utility. Installation and maintenance of Oracle goldengate Creation of users, Security Management through privileges, roles,

profiles and auditing of user actions. Experience in configuring and managing ASM Disks. Knowledge on Oracle Database performance-tuning services with

EXPLAIN PLAN ,ADDM & AWR reports Good Experience in Oracle database Installation and Creation. Experience on DATAGUARD with Creation and maintenance of

Physical standby database. Experience in database upgrade / Refresh / Restore Worked in RAC environments, Monitoring its services , taking OCR

and VOTING DISK for backup and recovery Exporting and Importing database backups using EXPDP/IMPDP

utilities Proficient in database and server administration technical features Experienced in server (windows/Unix/Linux) administration. Good knowledge on infrastructure service management procedures

and policies. Good Analytical, Communication and Troubleshooting skills

EDUCATION & CERTIFICATION

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EDUCATIONAL BACKGROUND

Professional Degree : Bachelor of Engineering.

Field of Study : Electronics and Communication

Name of Institution : Vel College of Multimedia, Chennai

Time of Complete : April 2006

CERTIFICATION

Oracle 10g Certified Associate

Red Hat Certified Engineer (RHCE)

IBM Certified Database Associate DB2 9 Fundamentals

ITIL 2011 Foundation Certificate in IT service Management Certificate

Employeement Details

Company DurationHCL Technologies October 2014 to Present

Tata Consultancy services July 2012 To July 2014

NTT data global delivery services July 2007 To July 2012

TECHNICAL EXPERTISE

Primary Skills Oracle Database Administration

Secondary Skill Linux server administration

Operating Systems RHEL (4,5), Solaris, AIX, Cent OS, Windows 2003/2008/XP

Languages SQL

Databases Oracle 10g/11g , IBM DB2 8/9.1, Greenplum database 4.2.5.1

Development Tools Oracle SQL Developer, SQL Plus.

Work Exprerience

HCL Technologies

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October 2014 to Present Client: Novartis Chennai, India

Project Name Life Sciences Hub

Client Novartis

Project Description

Novartis (Headquartered in Basel, Switzerland) is a world leader in the research and development of products to protect and improve health and well-being. The company has core businesses in pharmaceuticals, vaccines, consumer health, generics, eye care and animal health.

Database Oracle 10G/11G database , Dataguard & Golden Gate

Duration From October ‘14 To Present

Role / Responsibility

Providing L3 support for database running at Novartis datacenters in India and Basel. Support for applications OC (Oracle clinical), CA (ClinAdmin) and DiAL..

Providing L3 production support for the LSH application databases with 11G

version. Work on performance related issues during business hours for database / Query

slowness Work on tasks created by development team as a maintenance activity on

databases like deleting the backup table data’s using scripts and gathering stats Work on problem queries by generating an explain plan and awr report Work on creating SQL tuning task for queries having issues Generate ADDM report for every week and analyze the recommendation

provided in report for better database performance Work on database size shrink activity by analyzing the table data’s and its unused

segment by running table shrink activity Work on weekend maintenance activity by shutting down the application and

clearing the job queues in application, Gathering stats on important application schemas.

We have Goldengate running between databases for filtering data’s (Consolidation method with Integrated capture method)

Monitoring the goldengate services and make sure the data’s are in Sync. Replicating the new tables between source and target based on needs. Doing manual sync up activity in case on table/schema going out of sync. Troubleshooting for lag status when its going high (As per SLA 3600 Sec is

threshold) Work on RMAN issues when the database backup fails or changing the RMAN

backup methods based on requirements and activities Troubleshooting issues on database Creating ticket with Oracle (LSH special support) for application and database

issues Work on security related issues (Applying database and application patch,

upgrading the parameter values , TNS listener attacks, Java version EOL, OS patch issues…etc )

Other basics activities like creating users, providing grants , Generating DDL for index,constraints, DB links..etc

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Tata Consultancy Services

July 2012 to July 2014 Client: DTCC Chennai, India

Project Banking and Financial Services

Client The Depository Trust Clearing Corporation – Global Trade Repository

Project Description

DTCC, through its subsidiaries, provides clearing, settlement and information services for equities, corporate and municipal bonds, government and mortgage – backed securities, money marketing instruments and over the counter derivatives. DTCC is a leading processor for mutual funds and insurance transactions, linking funds and carriers with their distribution networks.

Environment V-Block, IBM AIX, Redhat Linux 5.6 64 bit, Web sphere 6.0

Database Oracle 11g with RAC, GreenPlum Database & Golden Gate.

Duration From Jul ‘12 To July 2014

Role / Responsibility

Providing L2 production support to Oracle & greenplum databases running at US, Netherland & Singapore datacenters

Responsibilities

Providing L2 production support to Oracle databases running in AIX and Redhat Linux operating system.

Implemented Golden Gates for Active-Active Replication between the Datacenter for High Availability.

Monitoring and Maintenance of the RAC environment. Maintaining ASM environment for maximum availability of the database. Data transfer through data pump among the database under various platforms. Recovery of datafiles, archivelogs, database using RMAN. Managing the tablespace / datafiles and server filesystem space issues. Troubleshooting the database performance issues such as long running queries

etc... Using Service center tool for ticketing system through which we provide service

support for customers and resolve the issue within the SLA defined. Work on Change management (CR) tickets as per the required changes in prod

databases Creating SR with Oracle Metalink for production database related issues

NTT DATA Global Delivery Services

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September 2010 to July 2012 Client: Honeywell Corp Chennai, India

Project Name Honeywell

Client Honeywell Healthcare

Project Description

Honeywell Building Solutions helps hospitals and other medical facilities identify areas of improvements so they can achieve increased efficiency, comfort, safety and security in their facilities or infrastructure.

Environment Oracle 10g/11g running in Redhat Linux, windows

Duration From September 2009 To July 2012

Role / Responsibility

Providing L3 support for all database running in production, quality & Development

Responsibilities

Installed and configured oracle 9i and 10g, 11g database on Dev/Test/Prod system.

Day to day monitoring like availability of system, listener, database, alert log file, tracefile.

Database refresh of Testing Database from Production using expdp/impdp utility Created users and involved in database security by granting roles, privileges, and

profile to users. Managing and monitoring of physical data guard. Maintaining the physical standby database by applying the archive logs from

production database. Managing ASM like adding diskgroup, recreating a diskgroup and rebalancing. Migrating the Oracle databases to recommended version as per project

requirements. Backup and Recovery through RMAN / User managed backup concepts. Logical Backup using “export and import” is implemented and automated to run

daily using Shell Scripts Ensuring daily backups and validating the backups through periodic restoration Creating SR with Oracle Metalink for production database related issues

April 2009 to September 2010 Client: NTT Data (Corp-IT) Chennai, India

Project Name NTT Data Infrastructure support – Corp IT

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Client NTT Data (IPTS/Certido )

Project Description

The internal application tool developed by NTT data. IPTS (Internal project tracking system) for daily timesheet tracking .Certido is multi-purpose ticketing tool developed internally for support purpose and extensively used by Infrastructure, HR, Finance ,Admin ,Travel & VISA team for their work purpose .

Environment Oracle Database 9i/10g/11g running in Redhat Linux, Solaris, HP-UX,AIX,Cent OS,windows

Duration From July 2007 To September 2009

Role / Responsibility

UNIX Administrator/Oracle DBA

Responsibilities

Administering Oracle databases running in Windows, Solaris, AIX, HP-UX and Redhat Linux.

Installing and patching the Oracle Database software in production and development servers.

Creation of Databases, Table space, and schema Users Monitoring and Managing the Production Database, Sizing DB tablespaces and

datafiles for effective space management and optimal performance. Migrating the Oracle databases to recommended version as per project

requirements. Automated routine database activities using sql scripts and shell scripts Refreshing the development database with production backup dump using

export / import and data pump utility. Backup and Recovery through RMAN / User managed backup concepts.

Logical Backup using “export and import” is implemented and automated to run daily using Shell Scripts

Ensuring daily backups and validating the backups through periodic restoration Implemented Physical Standby in 11g database for DR setup using RMAN.

Implemented Oracle 11g data guard in Production server. Maintaining the physical standby database by applying the archive logs from

production database. Hardening Oracle Databases to adhere to standard security policies. Managing the production and development database server file system space

issues. Creating SR with Oracle Metalink for production database related issues.

Unix Administration.

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Hands on Experience in Installation and Configuration of Various Linux Flavors

Basic Troubleshooting knowledge in Linux.

Installing and Configuring NFS, FTP and SAMBA Server.

User Management

Knowledge on Configuration of sudoer’s and LVM.

Has done the installation and up gradation of software’s like Apache, Jboss and Java

on Linux servers

PERSONAL PARTICULARS

Name : G. Sivaraman

Date of Birth : 18-Oct-1984

Gender : Male

Marital Status : Married

Nationality : Indian

Passport Number : G 1941896

Permanent Residence : No 23, VP colony Extn,

Ayanavaram, Chennai – 600023

I hereby declare that all the information provided above is true to the best of my knowledge.

Place: SignatureDate:

(G. Sivaraman)

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